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Observed Side Effects (From Clinical Trials) In the Lancet 2021 Phase 2 trial (n=706), at the highest 4.5 mg/week dose, 88% of participants reported at least one side effect and 63% reported a GI-specific event
They are involved in many physiological processes such as tissue repair, immune system regulation, and hormone production
How GHK-Cu Compares to Other Hair Treatments Understanding where GHK-Cu fits requires comparing mechanisms not making equivalence claims, since the evidence base for GHK-Cu is far smaller than for established treatments
The only other human study, from 2015, was abandoned by 2016 the researchers had cancelled submission of the results [15]
Based on the recent studies, GHK promotes healing mainly through copper-mediated ECM synthesis and angiogenesis, supporting epithelialization and remodeling with simple delivery [23, 36, 85]
